The Arctic National Wildlife Refuge Summary The Arctic National Wildlife Refuge (ANWR) is an area rich in plants, animals, and commercial oil potential. The vast diversity of wildlife within ANWR includes more than 160 bird species, 36 kinds of land mammals, 9 marine mammal species, and 36 types of fish. ANWR is one of the least disturbed ecosystems on Earth, … Continue reading ESA POSITION STATEMENT: The Arctic National Wildlife Refuge